449967580 has 24 divisors (see below), whose sum is σ = 945342720. Its totient is φ = 179908800.

The previous prime is 449967563. The next prime is 449967589. The reversal of 449967580 is 85769944.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449967589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70981 + ... + 77059.

It is an arithmetic number, because the mean of its divisors is an integer number (39389280).

Almost surely, 2^449967580 is an apocalyptic number.

It is an amenable number.

449967580 is an abundant number, since it is smaller than the sum of its proper divisors (495375140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449967580 is a wasteful number, since it uses less digits than its factorization.

449967580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9789 (or 9787 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 449967580 is about 21212.4392751046. The cubic root of 449967580 is about 766.2910291725.

The spelling of 449967580 in words is "four hundred forty-nine million, nine hundred sixty-seven thousand, five hundred eighty".